[3.10] bpo-44652: Preserve natural order of args in the union type. (GH-27185) (GH-27190)
(cherry picked from commit 0cd2d51aadcd2a0c0739a5df0a6235d64f35619e)
Automerge-Triggered-By: GH:ambv
diff --git a/Lib/typing.py b/Lib/typing.py
index 9540021..2caa619 100644
--- a/Lib/typing.py
+++ b/Lib/typing.py
@@ -987,8 +987,8 @@ def __hash__(self):
def __or__(self, right):
return Union[self, right]
- def __ror__(self, right):
- return Union[self, right]
+ def __ror__(self, left):
+ return Union[left, self]
@_tp_cache
def __getitem__(self, params):
@@ -1098,8 +1098,8 @@ def __reduce__(self):
def __or__(self, right):
return Union[self, right]
- def __ror__(self, right):
- return Union[self, right]
+ def __ror__(self, left):
+ return Union[left, self]
class _CallableGenericAlias(_GenericAlias, _root=True):
def __repr__(self):